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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[DOCS-178] Make a note on the importance of order of operations in the aggregation &quot;pipeline&quot;</title>
                <link>https://jira.mongodb.org/browse/DOCS-178</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;The current documentation does not adequately point out that the order of operations is critical when creating the &quot;pipeline&quot; array (placing $match before $group for example), and it has been a source of confusion.  &lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://www.mongodb.org/display/DOCS/Aggregation+Framework#AggregationFramework-Invocation&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.mongodb.org/display/DOCS/Aggregation+Framework#AggregationFramework-Invocation&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="35031">DOCS-178</key>
            <summary>Make a note on the importance of order of operations in the aggregation &quot;pipeline&quot;</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="sam.kleinman">Sam Kleinman</assignee>
                                    <reporter username="mbastien">Marc Bastien</reporter>
                        <labels>
                            <label>aggregation</label>
                    </labels>
                <created>Thu, 29 Mar 2012 19:14:54 +0000</created>
                <updated>Sat, 8 Sep 2012 01:51:10 +0000</updated>
                            <resolved>Thu, 29 Mar 2012 23:00:35 +0000</resolved>
                                                                        <due></due>
                            <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="105001" author="samk" created="Thu, 29 Mar 2012 23:00:35 +0000"  >&lt;p&gt;This issue is addressed more clearly in the manual &amp;lt;&lt;a href=&quot;http://docs.mongodb.org/manual/applications/aggregation/#optimizing-performance&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://docs.mongodb.org/manual/applications/aggregation/#optimizing-performance&lt;/a&gt;&amp;gt;.&lt;/p&gt;</comment>
                            <comment id="104999" author="auto" created="Thu, 29 Mar 2012 22:58:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;tychoish&apos;, u&apos;name&apos;: u&apos;Sam Kleinman&apos;, u&apos;email&apos;: u&apos;samk@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-178&quot; title=&quot;Make a note on the importance of order of operations in the aggregation &amp;quot;pipeline&amp;quot;&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-178&quot;&gt;&lt;del&gt;DOCS-178&lt;/del&gt;&lt;/a&gt; aggregation clarification/fix (minor) from marc&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/b2b9a8f1baf2778edab85a3c8fdccc94e55afc81&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/b2b9a8f1baf2778edab85a3c8fdccc94e55afc81&lt;/a&gt;&lt;/p&gt;</comment>
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